#66cfdf
a balanced, vivid cyan · cool · closest name: skyblue
RGB
102, 207, 223
HSL
188°, 65%, 64%
CMYK
54, 7, 0, 13
Luminance
0.5278
Every format
| HEX | #66cfdf |
| RGB | rgb(102, 207, 223) |
| HSL | hsl(188, 65%, 64%) |
| CMYK | cmyk(54%, 7%, 0%, 13%) |
| LAB | lab(77.7 -25.9 -17.2) |
| LCH | lch(77.7 31.1 213.5) |
| OKLCH | oklch(0.798 0.099 208.6) |
Copy-ready code
/* CSS */
color: #66cfdf;
background-color: #66cfdf;
/* Tailwind (arbitrary) */
class="text-[#66cfdf] bg-[#66cfdf]"
/* SCSS */
$brand: #66cfdf;
/* SwiftUI */
Color(red: 0.400, green: 0.812, blue: 0.875)
/* Android */
Color.parseColor("#66cfdf")Accessibility — WCAG contrast
Aa
#66cfdf on white: 1.82:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#66cfdf on black: 11.56:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green81.2%
Blue87.5%
CMYK percentages
Cyan54.3%
Magenta7.2%
Yellow0.0%
Key (black)12.5%
Color previews
#66cfdf text on a black background
contrast 11.56:1
Card sample
#66cfdf text on a white background
contrast 1.82:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #66cfdf;
Background color
Panel with #66cfdf background
background-color: #66cfdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #66cfdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 207, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 207, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #66cfdf; background: linear-gradient(135deg, #66cfdf, #667EDF);